What it approves
Installation of drooped ailerons, drooped wing leading edge, stall fence and rudder seal.
What the certificate says
From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.
FAA Form 8110-2 (5/14) Page 1 of 2
Reissued on July 31, 2017 to supersede the original STC, which has been lost or misplaced.
Number: SA1782WE
Part 3 of the Civil Air Regulations.
Original Product – Type Certificate Number: 2A4 Make: Aero Commander Model: 680E
Installation of dropped ailerons, drooped wing leading edge, stall fence, and rudder seal per drawings on FAA Sealed Robertson Aircraft Drawing List No. 106.
Airspeed indicator marking:
128 mph for maximum flap (40° full) extension.
FAA Approved Robertson Aircraft Airplane Flight Manual Supplement dated 21 September 1968 required.
Compatibility of this design change with previously approved modifications must be determined by the installer. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.
Date of Application: April 22, 1968 Date Reissued: 1/5/69; 1/5/70; 11/5/73; 11/8/84; 10/10/86;
9/8/05; 7/31/17 Date of Issuance: September 25, 1968 Date Amended:
Signature
Title Jim Grigg Manager, Fort Worth A CO Branch, Compliance & Airworthiness Division Sierra Industries, Ltd.
122 Howard Langford Drive Uvalde, TX 78801
FAA Form 8110-2 (5/14) Page 2 of 2
Transfer the ownership of Supplemental Type Certificate Number: SA1782WE
To (Name and address of transferee)
From (Name and address of grantor)
United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA18NW
FAA Form 8110-2 (5/14) Page 3 of 3
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.
Approved models · 1
| Make | Model | Data sheet |
|---|---|---|
| Twin Commander Aircraft LLC | 680-E | 2A4 |
Every issue · 2
DRS keeps each issue of an STC as its own record, with its own certificate and attachments.
| Date | Status | Files |
|---|---|---|
| July 31, 2017 | Reissued, current | Certificate |
| September 8, 2005 | Reissued, earlier issue | Certificate |